Flat-rate pricing

Clear pricing, no surprises.

Honest flat rates on common work, with same-day parts in stock. Anything custom gets a free 24-hour estimate.

Request a quote or call (603) 296-8580

24-hour estimates · weekends included

NH Registered

Fully Insured

Licensed Trades

24/7 Emergency

NH registered

OSNH Home Services LLC, an established New Hampshire company.

Fully insured

General-liability coverage on every job, in every home.

Licensed trades

Electrical and plumbing performed by NH state-licensed professionals.

One company

Smart home, build, and care — one accountable point of contact.

Flat shop labor

Transparent flat rate, no trip fee. Licensed electrical & plumbing billed at partner rates. Most common jobs are quoted as flat prices below.

$150/hour

Irrigation & Sprinklers

Rain Bird & Hunter systems. Same-day part swaps from truck stock when possible.

Same-day sprinkler head replacement$65 per head
Spring system start-up & activation · up to 8 zones$119
Fall winterization / blowout · up to 8 zones, +$12 per zone over 8$119
Spring + Fall care bundle · start-up + winterization, save $39$199 per season
Smart timer install & setup (Rain Bird / Hunter) · controller + app setup; timer extra$189
Zone diagnostic & repair (first hour) · parts additional$129

Plumbing & Water

Licensed plumbing partners. Flat rates, no trip fee — the price we quote is the price you pay.

Drain clearing (single fixture)$149
Main-line drain clearing · hydro-jetting quoted separately$329
Water heater replacement (tank) · like-for-like swap, standard hookupsfrom $1,650
Water softener install · whole-home, standard plumbingfrom $1,850
Filter / cartridge change$89 per visit

Electrical

Licensed electrical partners. Permits and inspections handled for you.

EV charger install (existing capacity) · dedicated 240V circuit, panel has roomfrom $749
Panel upgrade to 200A · includes permit + inspection coordinationfrom $2,450
Standby generator install · turnkey: pad, transfer switch, gas + electricalfrom $7,500
Whole-home surge protection · Type 2 device, installed at panel$349

Smart Home & AV

Clean installs, concealed cabling, set up and tested before we leave.

TV mounting with in-wall cable conceal · drywall/wood stud; brick/stone/fireplace quoted$249
Smart lock / video doorbell install · existing wiring; transformer upgrade extra$149 per device
Wi-Fi access point install · labor; cabling runs quoted by length$179 per AP

Heating & Cooling (HVAC)

Same-day AC repair by EPA-certified pros. Common parts on the truck — most no-cool calls fixed on the first visit.

Same-day AC service call & diagnosis · credited toward the repair when you proceed$129
AC capacitor replacement · tested + matched microfarad; most common no-cool fix$289
AC contactor replacement$249
AC tune-up & maintenance · included in Cairn Care plans$149
Refrigerant recharge · by refrigerant type + charge; leak search quotedfrom $275
Smart thermostat install · Ecobee / Nest / Honeywell; C-wire add extra$199
Ductless mini-split install (single zone)from $4,500
Central AC system replacement · load-sized; financing availablefrom $7,500

Exterior & Roofing

Siding, roofing, gutters, windows, and doors by licensed, insured exterior crews. Full replacements get a free written proposal — the figures below are starting points.

Siding replacement · vinyl; fiber-cement (Hardie) + cedar quoted by materialfrom $12,000
Siding repair / storm damage · color-matched; claim docs providedfrom $450
Roof replacement (architectural shingle) · size + pitch dependent; financing availablefrom $9,500
Roof repair / leak · same-day emergency dry-in availablefrom $450
Seamless gutters · by linear footage; guards extrafrom $1,200
Replacement window (installed) · per window; triple-pane + large units morefrom $650
Exterior / entry door replacementfrom $1,200
Exterior painting · wall area, incl. prep + premium paint; trim/decks quoted$2.50 per sq ft
Fascia / soffit wrap · aluminum/PVC; rot repair quoted separately$18 per ft

By the square foot

For larger surface work we price by the square foot so you can estimate before we measure.

Interior painting · walls, 2 coats incl. premium paint; ceilings & trim extra$3.50 per sq ft
Luxury vinyl plank (LVP) install · install labor; flooring material separate$4 per sq ft
Hardwood floor install · install labor; flooring material separate$6 per sq ft
Tile install (floor or wall) · install labor; tile + setting materials separate$8 per sq ft

Average project cost

Real planning ranges for full renovations in the Windham NH corridor — your written estimate is exact and always free.

Bathroom remodel · midrange finishes (NH/MA); full gut or luxury higher$15,000–$25,000
Kitchen remodel · midrange to semi-custom cabinetry + stone counters$35,000–$75,000

We carry common parts in stock and have direct manufacturer and supplier access, so many repairs are handled same-day. Prices vary with site conditions — your written estimate is always free, with someone out within 24 hours, weekends included.

Start here

Get your free estimate

Tell us what you need and we'll get you a clear, flat-rate quote fast.

— Same-day response on most requests
— Licensed, insured, and accountable
— Clear pricing before any work begins

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